DA POLISH is a light precleaning lotion compound that is custom designed to remove light imperfections, such a swirls, minor scratches, etc. from delicate paint finishes found on many high-end autos. DA POLISH is the second step of Bloomco’s DA SYSTEM. DA POLISH is a light precleaning lotion compound that is custom designed to remove light imperfections, such a swirls, minor scratches, etc. from delicate paint finishes found on many high-end autos. DA POLISH is the second step of Bloomco’s DA SYSTEM.